Effect Type-Octave/Pitch Shifter/Harmonizer Pedals
DigiTech Drop Polyphonic Drop Tune Pitch-Shifter
BOSS OC-5 Octave
Digitech Whammy Ricochet Pitch Shifter
Subdecay Octave Theory - Octave Modulator/Synthesizer
Henretta Purple Octopus Octave Up
